Protein kinases are enzymes that normally catalyze the degradation of cellular proteins.
a) synthesis of kinins.
b) phosphorylation of adp.
c) phosphorylation of cellular proteins.
d) formation of peptide bonds in proteins.

c) phosphorylation of cellular proteins.

Explanation:

Background Knowledge:

Kinase Enzymes:

These are the enzyme which speedup the transfer of phosphate groups from high energy, phosphate-donating molecules like ATP to specific substrates. This process of phosphate donation from high energy molecules to specific substrate is known as phosphorylation.

Protein Kinases:

Protein kinases are the type of kinases which transfer phosphate group from high energy phosphate donating molecules to the proteins.

so correct answer of this question is c) phosphorylation of cellular proteins.

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.